SOLUTION: The length of a rectangle is six times its width. If the perimeter of the rectangle is 126 ft, find it area.
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Question 423940: The length of a rectangle is six times its width. If the perimeter of the rectangle is 126 ft, find it area.
Answer by Gersid(33) (Show Source): You can put this solution on YOUR website!
Start with:
P = 2(L+W) Substitute P = 126, L = 6W
126 = 2(6W+W) Simplify.
63 = 7W Divide by 7.
9 = W and L = 6(9) = 54.
Area:
A = L*W
A = 54*9
A = 486 sq.ft.
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